For those who are using iPhone and androids be careful ,their are some crypto mobile wallets on store that aren't popular or well knowned ,please do not use them ,some of this apps have keyloggers pre installed ,they will easily steal your backup phrase
Especially those named 'bitcoin wallet' like in the picture below, they are well rated and they are in different colors

Head to playstore or iOS store and type in just 'bitcoin wallet' you will see many fake bitcoin wallets popping up ,go for popular mobile wallets like coinomi ,trust ,enjin ,mycelium ,coinbase ,bitpay ,copay,bread ,jaxx or atomic wallet.
Thanks for your awareness and hundreds of wallet clone that used the stolen code but that fake wallet already added keylogger.
This is the big problem when the store can't maintain its store to be free from the clone apps. Playstore and appstore need a lot of improvement, especially for the security and code check. it's much better to use its official site to get the direct link to the app.